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# Copyright 2008, 2009, 2010 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see .

# This test was created by modifying attach.exp.

# This file was created by Jeff Johnston .

# This file was updated by Jan Kratochvil .

# This test only works on Linux

if { ![isnative] || [is_remote host] || ![istarget *-linux*] } {

    continue

}

set testfile "attach-stopped"

set srcfile  ${testfile}.c

set binfile  ${objdir}/${subdir}/${testfile}

set escapedbinfile  [string_to_regexp ${objdir}/${subdir}/${testfile}]

#execute_anywhere "rm -f ${binfile}"

remote_exec build "rm -f ${binfile}"

# For debugging this test

#

#log_user 1

proc corefunc { threadtype } {

    global srcfile

    global binfile

    global escapedbinfile

    global srcdir

    global subdir

    global gdb_prompt

    if [get_compiler_info ${binfile}] {

        return -1

    }

    # Start the program running and then wait for a bit, to be sure

    # that it can be attached to.

    set testpid [eval exec $binfile &]

    # Avoid some race:

    sleep 2

    # Stop the program

    remote_exec build "kill -s STOP ${testpid}"

    # Start with clean gdb

    gdb_exit

    gdb_start

    gdb_reinitialize_dir $srcdir/$subdir

    gdb_load ${binfile}

    # Verify that we can attach to the stopped process.

    set test "$threadtype: attach2 to stopped, after setting file"

    gdb_test_multiple "attach $testpid" "$test" {

        -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {

            pass "$test"

        }

    }

    # ".*sleep.*clone.*" would fail on s390x as bt stops at START_THREAD there.

    if {[string equal $threadtype threaded]} {

        gdb_test "thread apply all bt" ".*sleep.*start_thread.*" "$threadtype: attach2 to stopped bt"

    } else {

        gdb_test "bt" ".*sleep.*main.*" "$threadtype: attach2 to stopped bt"

    }

    # This breakpoint is there for old/non-x86 kernels not restarting syscalls.

    gdb_breakpoint [gdb_get_line_number "Second sleep"]

    set test "$threadtype: attach2 continue"

    send_gdb "continue\n"

    gdb_expect {

      -re "Continuing"

        { pass "continue ($test)" }

      timeout

        { fail "continue ($test) (timeout)" }

    }

    # For this to work we must be sure to consume the "Continuing."

    # message first, or GDB's signal handler may not be in place.

    after 1000 {send_gdb "\003"}

    set test "$threadtype: attach2 stop interrupt"

    gdb_expect 10 {

      -re "Program received signal SIGINT.*$gdb_prompt $"

        {

          pass $test

        }

      -re "Breakpoint \[0-9\].*$srcfile.*$gdb_prompt $"

        {

          pass $test

        }

      timeout

        {

          fail $test

        }

    }

    gdb_exit

    # Avoid some race:

    sleep 2

    # At this point, the process should be sleeping

    if [catch {open /proc/${testpid}/status r} fileid2] {

        set line2 "NOTFOUND"

    } else {

        gets $fileid2 line1;

        gets $fileid2 line2;

        close $fileid2;

    }

    set test "$threadtype: attach2, exit leaves process sleeping"

    if {[string match "*(sleeping)*" $line2]} {

      pass $test

    } else {

      fail $test

    }

    # Make sure we don't leave a process around to confuse

    # the next test run (and prevent the compile by keeping

    # the text file busy), in case the "set should_exit" didn't

    # work.

    remote_exec build "kill -9 ${testpid}"

}

# build the test case first without threads

#

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {

    untested "attach-stopped.exp (unthreaded)"

    return -1

}

corefunc nonthreaded

# build the test case first without threads

#

if  { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DUSE_THREADS}] != "" } {

    untested "attach-stopped.exp (threaded)"

    return -1

}

corefunc threaded

return 0